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arlik [135]
3 years ago
14

Parallelogram ABCD ​ is a rectangle.

Mathematics
1 answer:
Ugo [173]3 years ago
8 0
The correct answer is y = 11

because:
2y + 7 = 3y − 4
−y + 7 =−4

Subtract 7 from both sides.
−y + 7 − 7 = − 4 − 7
−y = −11

Divide both sides by -1.
y = 11
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Given: y=x^2-4x-12
sergeinik [125]

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see below

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